Mailing List flyrotary@lancaironline.net Message #2505
From: Tracy Crook <lors01@msn.com>
Subject: Re: [FlyRotary] Re: tuning, day 2- Tommy's curse :-)
Date: Mon, 11 Aug 2003 19:32:46 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Message
 
----- Original Message -----
Sent: Monday, August 11, 2003 7:26 AM
Subject: [FlyRotary] Re: tuning, day 2- Tommy's curse :-)

Rusty, you might check individual EGT and if you have too much different at about 22"  or more then use Mode 4&5 to balance them out.  Also this check will help find a malfunctioning injector.   The Photos look great and tell Bobby hello!
 BTW, lets not call it "Tommy's Curse",  please.  :0)
TJ<><
 
Let me add that Mode 4 & 5 (rotor mixture ballance) is meant to correct for very small variations in GOOD injectors.  Many builders end up trying to use this feature to ballance a good injector with a bad one.  This is doomed to failure.  If the rotor ballance is not good enough to run well without any adjustment to Mode 4 & 5, look for the real problem and don't even try to adjust ballance with the EC2.
 
Tracy Crook
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